#### Answer

200mg

#### Work Step by Step

0.2 g to mg
Unit for the answer (mg) is in numerator; unit being changed (g) is in denominator so it will divide out. The unit fraction is(1000 mg)/(1 g).
Multiply 0.2 g times to the unit fraction
0.2 g *(1000 mg)/(1 g) = 200mg